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Priority to JP44008033ApriorityCriticalpatent/JPS5130250B1/ja
Priority to GB1296043Dprioritypatent/GB1296043A/en
Priority to DE19691960472prioritypatent/DE1960472C2/de
Priority to DE19691966791prioritypatent/DE1966791C2/de
Priority to FR6941605Aprioritypatent/FR2025056A1/fr
Publication of JPS5130250B1publicationCriticalpatent/JPS5130250B1/ja